13480081407421 has 2 divisors, whose sum is σ = 13480081407422. Its totient is φ = 13480081407420.

The previous prime is 13480081407347. The next prime is 13480081407491. The reversal of 13480081407421 is 12470418008431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13446815660100 + 33265747321 = 3666990^2 + 182389^2 .

It is a cyclic number.

It is not a de Polignac number, because 13480081407421 - 2¹⁷ = 13480081276349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13480081407491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6740040703710 + 6740040703711.

It is an arithmetic number, because the mean of its divisors is an integer number (6740040703711).

Almost surely, 2^{13480081407421} is an apocalyptic number.

It is an amenable number.

13480081407421 is a deficient number, since it is larger than the sum of its proper divisors (1).

13480081407421 is an equidigital number, since it uses as much as digits as its factorization.

13480081407421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 43.

The spelling of 13480081407421 in words is "thirteen trillion, four hundred eighty billion, eighty-one million, four hundred seven thousand, four hundred twenty-one".